Apparatus for dehydrating or desiccating air for industrial purposes.



P. G. P. LBA.

APPARATUS POR DBHYDRATING 0B DESIGGATING AIB. POR INDUSTRIAL PURPOSES.

APPLICATION FILED FEBJO, 1913. A

Llsw@ Patented Mar. 16, 1915.

wlmfssfs Q Q Inn/Enron Q dJ u Francco GurcmP Leno.

' sponding aperture-S1115 chamber d into rnnncrsco 'GARCIA P. LEA, or NEW Yoan, N. Y.

APPARATSWFOR DEHYDRATIN'G'IOR DESICCATING AIItFOB, INDUSTRIAL PURPOSES.

' spcification of Letters raient. Patented MM, 16, 1915,

Application filed February 10, 1913. Serial No. 747,318.

T0 au 'whom it may concer/nl.'

Be it known that I, FRANCISCO GARCIA P. LEA, a citizen of Brazil, and residing at .New York, in the county State of New York, have invented certain new and useful Improvements in Apparatus for Dehydrating or Desiccating Air for Industrial Purposes, of which the following is a specification, such as will enable those skilled in the art to which it appertains to make and use the same,

This invention .relates t0 apparatus for dehydrating or desiccatingi air for use in drying or desiccating fruits, vegetables or other articles or substances, and the object thereof is to provide an apparatus of this class which is simple in construction and eflicient in operation and by means of which air for use in drying or desiccating apparatus of various kinds and classes may be properly and speedily prepared for such use, v

and also heated or not as may be desired; and with these and other objects in view the invention consists in an apparatus of the class specified constructed as hereinafter described and claimed.

The invention is fully disclosed in the following specification of which the accompanying drawing forms a part in which the separate parts of my invention are designated by suitable reference' characters inv each of the views, and in which Figure 1 is a side elevation of an apparatus involving my invention, construction being shown in section;-Fig. 2 a vertical transverse section on the line 2 2 of Fig. 1, and Fig. 3 asimilar section on the line 3-3 ofFig. 1.

ln the practice of 4my invention, as shown in the drawing, l provide a condenser a comprisinga suitable tank. -which is oblong and rectangular in form, in the construction shown, and in which is placed a plurality of spirally curved tubes a2 which extend through or communicate-With apertures c3 inv the bottom ai* of the tank, and with corre- .inthe top a of the tank, and at the top of the tank a is an air which air passing through the tubes ai' is discharged, and communieating with one end portion'of the tank a preferably. near the top thereof is awater' inlet pipe as opposite end portion thereof at the top thereof is an outlet pipe a, and below the tank' a is placed a trough am to receive the of New York and p-art of the ing the coil h2.

and communicating with the water of condensation from the tubes a?, and this trough am is provided Iwith a discharge a which communicates, in the form of construction shown, with the outlet pipe a9. j

Connected with and in communication with one end portion of the casing that forms the air chamber a7 is a moisture absorbing drum b provided at one end with a pulley Wheel b2 or turned by a belt driven in any suitable way, and the drum b is provided in its inner side and longitudinally and radially thereof with baille plates b3, and, in practice, the drum b is partially filled with salt, lime, sulfurie acid, or any similar or equivalent substance or substances that will absorb the moisture in air.

Connected with and in communication with the end of the drum b opposite the condenser is a four-Way coupling c With Which are connected pipes d, e and f, and the pipes el, e and are provided with valves d2, e2 and f2, and connected-with the pipe al' at da is a branch pipe d4 provided With a valve d5 and in communication with an air compressor g, andthe pipe f is provided with a branch pipe f3 which communicates with the top of the compressor g, in the construction shown, and the branch pipe f3 is provided with a valve f1. The pipe e communicates at e3 with the bottom of the compressor g, in

the form of construction shown, and the pipe f also communicates with an air heater l1, at f5, and the pipe d is provided with a branch pipe d which communicates with the top of the heater it, and said pipe de is provided with a valve d7. comprises an ordinary shell or casing having acol h2 which connects with the pipes and d, and any suitable burner may be placed in the bottom of the shell or casing iz, or any suitable means employed for heat- The pipe ai is extended beyond the heater connection d and connected therewith is a temperature registering device or indicator z' consisting, inthe form of construction shown, of a box or casing provided with a thermometer 2, and connected with said box or casing is a discharge pipe by which it may be rotated The heater k j with which is connected, in the form of v construction shown, a suction fan or similar device 7c provided with a supplemental disas yheieinbefore stated, is`

. referred to, the suction pump or similar device lo will not be-necessary, as said drying or desiccating apparatus itself Will be provided with means for drawing the air through my improved air desiccati'ng or dehydrating apparatus lier-ein shown and dev scribed, and in such cases, the compressor!) may not always be necessary, and said compressor g may or may not be employed,

as may be desired, and Wheilnot necessary,

or When it is not desired to use said compressor, it may be cut out by means of the valves d?, efand f4. It will lalso be undersitoodthat the aircompressor g may be of any-form or construction, and as the details thereof form no part of `my invention, the said air compressor is only 'indicated in the accompanying drawing. v

.The temperature regulator part ofthe apparatus-consists oftheheater h and its connections and the pipes d and d, with the valves d2 and di, and by means of these valves 'the amount (t cold air passing through theI pipe dan thehot air passing through the pipes d may be regulated as Will be readily understood, and the tem'- perature of this air may be .determined by the temperature indicator i, and lsaid temsired construction. l p

In practice, cold water is fed into the tank a through the pipe aa under pressure and is discharged from said tank through the pipe a, and these pipes may be properature'indicator may also be of any devided with suitable valves to control the -flow of Water into and from said tank. It Will be understood that lair is constantly passing through the tubes a2 into theair chamber a", when the apparatus-.is in opera-h tion, and much of themoisture in said air is condensed on the innery Walls ofthe-tubes` a, and this condensation passes downw Wardly through said tubes into the troughs a1". The air entering the chamber a7 passes into-the drum Zi the rotation of which constantly ""agitates the absorbin i thereinand said airand ming es' said "air and said material, and the remaining Vmoisture in the air is abstracted'therefrom, and said air may bepassed from the drum b through the pipe dinto the temperature indicator i, or throughthe pipe f and through the heater into-said temperature indicator, or the said vair may be passed from-the absorbing drum `through the pipe e, through A the compressor g and through the pipes d* 4 materialand d into the temperature indicator, orthe said air may be passed from the condensing drum b through the pipe e, the compressor g and through the' pipe j' and the heater li and the pipe d into the temperature indicator, or by means of the pipe connections shown, the air may be passed from the moisture absorbing drum b to the indicator. in any desired Wayg'and with or Without passing said air through the compressor g, or the heater it, and the-air entering the teinperature indicator is perfectly pure and ture absorbing drum b, as herein shown and I described, but. my invention is not limited to the exact construction, combination and arrangement of parts herein shown and describedand changes therein and modifications thereof may be made, Within the scope of the .appended claims, Without departing from the spirit of in'y invention or sacrilic- 'y ing its advantages. l

Having fully described my invention what I claim as new and 'desire to securel by Lettei-s Patent is l. In an'air dehydrating apparatus, a condenser, a moisture absorbing device connected with said condenser, a temperature -in'dicatorconnected Wigth said moisture absorbing device, a heater also connected with said moisture absorbing device and said teinperature lndicator, and means for controlling -the flow of air from the moisture absorbing device directly to the temperature indicator and through the heater to said indicator.

2. In an apparatus for dehydrating air, a condenser, a moisture absorbing device connected with said condenser, a temperature indicator connected 'with said condenser, a heatery connected with said temperature indicator and said moisture absorbing device, and a com ressor connected with the moisture absor ing-device, the temperature indicator and the heater substantially as shown and described.

3.: In anfair dehydrating apparatus, a condenser, a moisture absorber, and a temperature regulator consisting of a compressor and a heater in operative connection with each other. and with said moisture' absorber. In testimony that I claim the foregoing as my invention I have signed my name in presence of the subscribing witnesses this 6th day of February 1913.

FRANCISCO GARCIA r. Leno.4 Witnesses C. Mums-ANI, l S.' -ANnnnws`. 

